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            2021年9月5日
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            <div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-go" data-lang="go"><span style="color:#f92672">package</span> <span style="color:#a6e22e">main</span>

<span style="color:#f92672">import</span> (
	<span style="color:#e6db74">&#34;github.com/gin-gonic/gin&#34;</span>
	<span style="color:#75715e">//&#34;github.com/smartystreets/goconvey/convey&#34;
</span><span style="color:#75715e"></span>)

<span style="color:#66d9ef">type</span>  <span style="color:#a6e22e">PostParams</span> <span style="color:#66d9ef">struct</span> {
	<span style="color:#a6e22e">Name</span>  <span style="color:#66d9ef">string</span> <span style="color:#960050;background-color:#1e0010">&#39;</span><span style="color:#a6e22e">json</span>:<span style="color:#e6db74">&#34;name&#34;</span><span style="color:#960050;background-color:#1e0010">&#39;</span>
	<span style="color:#a6e22e">Age</span> <span style="color:#66d9ef">int</span> <span style="color:#960050;background-color:#1e0010">&#39;</span><span style="color:#a6e22e">json</span>:<span style="color:#e6db74">&#34;age&#34;</span><span style="color:#960050;background-color:#1e0010">&#39;</span>
	<span style="color:#a6e22e">Sex</span> <span style="color:#66d9ef">bool</span> <span style="color:#960050;background-color:#1e0010">&#39;</span><span style="color:#a6e22e">json</span>:<span style="color:#e6db74">&#34;sex&#34;</span><span style="color:#960050;background-color:#1e0010">&#39;</span>
}



<span style="color:#66d9ef">func</span> <span style="color:#a6e22e">main</span>() {
	<span style="color:#a6e22e">r</span> <span style="color:#f92672">:=</span> <span style="color:#a6e22e">gin</span>.<span style="color:#a6e22e">Default</span>() <span style="color:#75715e">//携带基础中间件
</span><span style="color:#75715e"></span>	<span style="color:#a6e22e">r</span>.<span style="color:#a6e22e">POST</span>(<span style="color:#e6db74">&#34;/testBind&#34;</span>, <span style="color:#66d9ef">func</span>(<span style="color:#a6e22e">context</span> <span style="color:#f92672">*</span><span style="color:#a6e22e">gin</span>.<span style="color:#a6e22e">Context</span>) {
		<span style="color:#66d9ef">var</span> <span style="color:#a6e22e">p</span> <span style="color:#a6e22e">PostParams</span>
		<span style="color:#a6e22e">err</span> <span style="color:#f92672">:=</span><span style="color:#a6e22e">context</span>.<span style="color:#a6e22e">ShouldBindJSON</span>(<span style="color:#f92672">&amp;</span><span style="color:#a6e22e">p</span>)
		<span style="color:#66d9ef">if</span> <span style="color:#a6e22e">err</span><span style="color:#f92672">!=</span><span style="color:#66d9ef">nil</span>{

			<span style="color:#a6e22e">context</span>.<span style="color:#a6e22e">JSON</span>(<span style="color:#ae81ff">200</span>,<span style="color:#a6e22e">gin</span>.<span style="color:#a6e22e">H</span>{
				<span style="color:#e6db74">&#34;msg&#34;</span>:<span style="color:#e6db74">&#34;报错了&#34;</span>,
				<span style="color:#e6db74">&#34;data&#34;</span>:<span style="color:#a6e22e">gin</span>.<span style="color:#a6e22e">H</span>{

				},
			})
		}<span style="color:#66d9ef">else</span>{
			<span style="color:#a6e22e">context</span>.<span style="color:#a6e22e">JSON</span>(<span style="color:#ae81ff">200</span>,<span style="color:#a6e22e">gin</span>.<span style="color:#a6e22e">H</span>{
				<span style="color:#e6db74">&#34;msg&#34;</span>:<span style="color:#e6db74">&#34;报错了&#34;</span>,
				<span style="color:#e6db74">&#34;data &#34;</span>:<span style="color:#a6e22e">p</span>,
			})
		}

	})
	<span style="color:#75715e">//r.GET(&#34;/path/:id&#34;, func(c *gin.Context) {
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	id:=c.Param(&#34;id&#34;)
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	user:=c.DefaultQuery(&#34;user&#34;,&#34;Luckly&#34;)
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	pwd:=c.Query(&#34;pwd&#34;)
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	c.JSON(200, gin.H{
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//		&#34;id&#34;:id,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//		&#34;user&#34;:user,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//		&#34;pwd&#34;:pwd,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	})
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//})
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//r.POST(&#34;/path&#34;, func(c *gin.Context) {
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	pwd:=c.PostForm(&#34;pwd&#34;)
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	user:=c.DefaultQuery(&#34;user&#34;,&#34;Luckly&#34;)
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	c.JSON(200, gin.H{
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	&#34;pwd&#34;:pwd,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	&#34;user&#34;:user,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	})
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//})
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//r.PUT(&#34;/path&#34;, func(c *gin.Context) {
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	pwd := c.PostForm(&#34;pwd&#34;)
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	user := c.DefaultQuery(&#34;user&#34;, &#34;Luckly&#34;)
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	c.JSON(200, gin.H{
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//		&#34;pwd&#34;:  pwd,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//		&#34;user&#34;: user,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	})
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	r.DELETE(&#34;/path/:id&#34;, func(c *gin.Context) {
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//		c.JSON(200, gin.H{
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//			&#34;message&#34;: &#34;pong&#34;,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//			&#34;sucess&#34;:  true,
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//		})
</span><span style="color:#75715e"></span>	<span style="color:#75715e">//	})
</span><span style="color:#75715e"></span>
		<span style="color:#a6e22e">r</span>.<span style="color:#a6e22e">Run</span>() <span style="color:#75715e">//yyyyy listen and serve on 0.0.0.0:8080
</span><span style="color:#75715e"></span>	}
</code></pre></div><p>
        <a data-fancybox="gallery" href="https://luckly007.oss-cn-beijing.aliyuncs.com/img/image-20210418113930470.png">
            <img class="mx-auto" alt="image-20210418113930470" src="https://luckly007.oss-cn-beijing.aliyuncs.com/img/image-20210418113930470.png" />
        </a>
    </p>
<pre><code>package main

import (
	&quot;github.com/gin-gonic/gin&quot;
	//&quot;github.com/smartystreets/goconvey/convey&quot;
)

type  PostParams struct {
	//Name  string 'json:&quot;name&quot;'
	User string ` json:&quot;user&quot;`
	Age  int    ` json:&quot;age&quot;`
	Sex  bool   ` json:&quot;sex&quot;`
}


func main() {
	r := gin.Default() //携带基础中间件
	r.POST(&quot;/testBind&quot;, func(context *gin.Context) {
		var p PostParams
		err :=context.ShouldBindJSON(&amp;p)
		if err!=nil{

			context.JSON(200,gin.H{
				&quot;msg&quot;:&quot;报错了&quot;,
				&quot;data&quot;:gin.H{

				},
			})
		}else{
			context.JSON(200,gin.H{
				&quot;msg&quot;:&quot;成功&quot;,
				&quot;data &quot;:p,
			})
		}

	})
	//r.GET(&quot;/path/:id&quot;, func(c *gin.Context) {
	//	id:=c.Param(&quot;id&quot;)
	//	user:=c.DefaultQuery(&quot;user&quot;,&quot;Luckly&quot;)
	//	pwd:=c.Query(&quot;pwd&quot;)
	//	c.JSON(200, gin.H{
	//		&quot;id&quot;:id,
	//		&quot;user&quot;:user,
	//		&quot;pwd&quot;:pwd,
	//
	//
	//	})
	//})
	//r.POST(&quot;/path&quot;, func(c *gin.Context) {
	//
	//	pwd:=c.PostForm(&quot;pwd&quot;)
	//	user:=c.DefaultQuery(&quot;user&quot;,&quot;Luckly&quot;)
	//	c.JSON(200, gin.H{
	//	&quot;pwd&quot;:pwd,
	//	&quot;user&quot;:user,
	//	})
	//})
	//r.PUT(&quot;/path&quot;, func(c *gin.Context) {
	//	pwd := c.PostForm(&quot;pwd&quot;)
	//	user := c.DefaultQuery(&quot;user&quot;, &quot;Luckly&quot;)
	//	c.JSON(200, gin.H{
	//		&quot;pwd&quot;:  pwd,
	//		&quot;user&quot;: user,
	//	})
	//
	//	r.DELETE(&quot;/path/:id&quot;, func(c *gin.Context) {
	//		c.JSON(200, gin.H{
	//			&quot;message&quot;: &quot;pong&quot;,
	//			&quot;sucess&quot;:  true,
	//		})
	//	})

		r.Run() //yyyyy listen and serve on 0.0.0.0:8080
	}
</code></pre><pre><code>package main

import (
	&quot;github.com/gin-gonic/gin&quot;
	//&quot;github.com/smartystreets/goconvey/convey&quot;
)

type  PostParams struct {

	Name string ` json:&quot;name&quot; uri:&quot;name&quot;`
	Age  int    ` json:&quot;age&quot;  uri:&quot;age&quot;`
	Sex  bool   ` json:&quot;sex&quot;  uri:&quot;sex&quot;`
}


func main() {
	r := gin.Default() //携带基础中间件
	r.POST(&quot;/testBind/:name/:age/:sex&quot;, func(context *gin.Context) {
		var p PostParams
		err :=context.ShouldBindUri(&amp;p)
		if err!=nil{

			context.JSON(200,gin.H{
				&quot;msg&quot;:&quot;报错了&quot;,
				&quot;data&quot;:gin.H{

				},
			})
		}else{
			context.JSON(200,gin.H{
				&quot;msg&quot;:&quot;成功&quot;,
				&quot;data &quot;:p,
			})
		}

	})
	//r.GET(&quot;/path/:id&quot;, func(c *gin.Context) {
	//	id:=c.Param(&quot;id&quot;)
	//	user:=c.DefaultQuery(&quot;user&quot;,&quot;Luckly&quot;)
	//	pwd:=c.Query(&quot;pwd&quot;)
	//	c.JSON(200, gin.H{
	//		&quot;id&quot;:id,
	//		&quot;user&quot;:user,
	//		&quot;pwd&quot;:pwd,
	//
	//
	//	})
	//})
	//r.POST(&quot;/path&quot;, func(c *gin.Context) {
	//
	//	pwd:=c.PostForm(&quot;pwd&quot;)
	//	user:=c.DefaultQuery(&quot;user&quot;,&quot;Luckly&quot;)
	//	c.JSON(200, gin.H{
	//	&quot;pwd&quot;:pwd,
	//	&quot;user&quot;:user,
	//	})
	//})
	//r.PUT(&quot;/path&quot;, func(c *gin.Context) {
	//	pwd := c.PostForm(&quot;pwd&quot;)
	//	user := c.DefaultQuery(&quot;user&quot;, &quot;Luckly&quot;)
	//	c.JSON(200, gin.H{
	//		&quot;pwd&quot;:  pwd,
	//		&quot;user&quot;: user,
	//	})
	//
	//	r.DELETE(&quot;/path/:id&quot;, func(c *gin.Context) {
	//		c.JSON(200, gin.H{
	//			&quot;message&quot;: &quot;pong&quot;,
	//			&quot;sucess&quot;:  true,
	//		})
	//	})

		r.Run() //yyyyy listen and serve on 0.0.0.0:8080
	}
</code></pre><pre><code>package main

import (
   &quot;github.com/gin-gonic/gin&quot;
   //&quot;github.com/smartystreets/goconvey/convey&quot;
)

type  PostParams struct {

   Name string ` json:&quot;name&quot; uri:&quot;name&quot; form:&quot;name&quot;`
   Age  int    ` json:&quot;age&quot;  uri:&quot;age&quot;  form:&quot;age&quot;`
   Sex  bool   ` json:&quot;sex&quot;  uri:&quot;sex &quot;  form:&quot;sex&quot;`
}
//http://localhost:8080/testBind?name=hah&amp;age=18&amp;sex=true

func main() {
   r := gin.Default() //携带基础中间件
   r.POST(&quot;/testBind&quot;, func(context *gin.Context) {
      var p PostParams
      err :=context.ShouldBindQuery(&amp;p)
      if err!=nil{

         context.JSON(200,gin.H{
            &quot;msg&quot;:&quot;报错了&quot;,
            &quot;data&quot;:gin.H{

            },
         })
      }else{
         context.JSON(200,gin.H{
            &quot;msg&quot;:&quot;成功&quot;,
            &quot;data &quot;:p,
         })
      }

   })


      r.Run() //yyyyy listen and serve on 0.0.0.0:8080
   }
</code></pre><p>changy</p>
<pre><code>package main

import (
   &quot;github.com/gin-gonic/gin&quot;
   //&quot;github.com/smartystreets/goconvey/convey&quot;
)

type  PostParams struct {

   Name string ` json:&quot;name&quot; binding:&quot;required&quot;`
   Age  int    ` json:&quot;age&quot;  binding:&quot;required&quot;`
   Sex  bool   ` json:&quot;sex&quot;  binding:&quot;required&quot;`
}


func main() {
   r := gin.Default() //携带基础中间件
   r.POST(&quot;/testBind&quot;, func(context *gin.Context) {
      var p PostParams
      err :=context.ShouldBindJSON(&amp;p)
      if err!=nil{

         context.JSON(200,gin.H{
            &quot;msg&quot;:&quot;报错了&quot;,
            &quot;data&quot;:gin.H{

            },
         })
      }else{
         context.JSON(200,gin.H{
            &quot;msg&quot;:&quot;成功&quot;,
            &quot;data &quot;:p,
         })
      }

   })


      r.Run() //yyyyy listen and serve on 0.0.0.0:8080
   }
</code></pre><pre><code>package main

import (
   &quot;github.com/gin-gonic/gin&quot;
   &quot;github.com/gin-gonic/gin/binding&quot;
   &quot;github.com/go-playground/validator/v10&quot;
   //&quot;github.com/smartystreets/goconvey/convey&quot;
)

type  PostParams struct {

   Name string ` json:&quot;name&quot; `
   Age  int    ` json:&quot;age&quot;  binding:&quot;required,mustBig&quot;`  //表单验证
   Sex  bool   ` json:&quot;sex&quot;  `
}

func mustBig (fl validator.FieldLevel)  bool {
if(fl.Field().Interface().(int)&lt;=18){
   return false
}

return  true
}
func main() {
   r := gin.Default() //携带基础中间件
   if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
      v.RegisterValidation(&quot;mustBig&quot;, mustBig)
   }
   r.POST(&quot;/testBind&quot;, func(context *gin.Context) {
      var p PostParams

      err :=context.ShouldBindJSON(&amp;p)
      //fmt.Println(err)
      if err!=nil{

         context.JSON(200,gin.H{
            &quot;msg&quot;:&quot;报错了&quot;,
            &quot;data&quot;:gin.H{

            },
         })
      }else{
         context.JSON(200,gin.H{
            &quot;msg&quot;:&quot;成功&quot;,
            &quot;data &quot;:p,
         })
      }

   })


      r.Run() //yyyyy listen and serve on 0.0.0.0:8080
   }
</code></pre><pre><code>package main

import (
   &quot;fmt&quot;
   &quot;github.com/gin-gonic/gin&quot;
   &quot;io&quot;
   &quot;os&quot;

   //&quot;github.com/gin-gonic/gin/binding&quot;
   //&quot;github.com/go-playground/validator/v10&quot;
   //&quot;log&quot;
   //&quot;net/http&quot;

   //&quot;github.com/smartystreets/goconvey/convey&quot;
)

func main() {
router := gin.Default()
// 给表单限制上传大小 (默认 32 MiB)
// router.MaxMultipartMemory = 8 &lt;&lt; 20  // 8 MiB
router.POST(&quot;/upload&quot;, func(c *gin.Context) {
// 单文件
file, _ := c.FormFile(&quot;file&quot;)

//name:=c.PostForm(&quot;name&quot;) //混合传值
in,_:=file.Open()
defer in.Close()
out,_:=os.Create(&quot;./&quot;+file.Filename)
defer  out.Close()
io.Copy(out,in)
c.Writer.Header().Add(&quot;Content-Disposition&quot;, fmt.Sprintf(&quot;attachment; filename=%s&quot;,file.Filename))
c.File(&quot;./&quot;+file.Filename)

//c.SaveUploadedFile(file,&quot;./&quot;+file.Filename)
//c.JSON(200,gin.H{
//
// &quot;msg&quot;:file,
// &quot;name&quot;:name,
//})
//log.Println(file.Filename)

// 上传文件到指定的路径
// c.SaveUploadedFile(file, dst)

//c.String(http.StatusOK, fmt.Sprintf(&quot;'%s' uploaded!&quot;, file.Filename))
})
router.Run(&quot;:8081&quot;)
}
</code></pre><p>多文件</p>
<pre><code>package main

import (
   &quot;fmt&quot;
   &quot;github.com/gin-gonic/gin&quot;
   &quot;io&quot;
   &quot;os&quot;

   //&quot;github.com/gin-gonic/gin/binding&quot;
   //&quot;github.com/go-playground/validator/v10&quot;
   //&quot;log&quot;
   //&quot;net/http&quot;

   //&quot;github.com/smartystreets/goconvey/convey&quot;
)

func main() {
router := gin.Default()
// 给表单限制上传大小 (默认 32 MiB)
// router.MaxMultipartMemory = 8 &lt;&lt; 20  // 8 MiB
router.POST(&quot;/upload&quot;, func(c *gin.Context) {
// 多文件
   form,_=c.MultipartForm()
file, _ := form.File[&quot;file&quot;]
fmt.Println(file)


})
router.Run(&quot;:8081&quot;)
}
</code></pre>
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        <li><a href="/post/go_gin/06Gin%E6%A1%86%E6%9E%B6%E4%B8%AD%E4%BD%BF%E7%94%A8%E6%95%B0%E6%8D%AE%E5%BA%93/">Gin框架中使用数据库</a></li>
        
        <li><a href="/post/go_gin/16Gin%E6%B8%B2%E6%9F%93/">Gin渲染</a></li>
        
        <li><a href="/post/go_gin/05middleware%E7%9A%84%E7%BC%96%E5%86%99%E4%B8%8E%E4%BD%BF%E7%94%A8/">Gin的中间件</a></li>
        
        <li><a href="/post/go_gin/04%E4%BD%BF%E7%94%A8%E8%B7%AF%E7%94%B1%E7%BB%84%E5%88%86%E7%B1%BB%E5%A4%84%E7%90%86%E8%AF%B7%E6%B1%82/">Go语言基础之map</a></li>
        
        <li><a href="/post/go_gin/17restful%E6%9E%B6%E6%9E%84/">REST的含义</a></li>
        
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